PAC7332 PAC7332 VGA PC Camera Single-Chip with Audio General Description The PAC7332 is a single chip with an embedded VGA CMOS image sensor and USB 1.1 interface. It has JPEG image compression and image processing. The generic application is a PC camera. And the optical size is 1/6” which can easily be embedded in LCD monitors, notebooks or PDA. It also provides high quality audio sampling function for sound recording. It is fully compliant with USB Video Class 1.0 and USB Audio Class 1.0 standard. PAC7332 supports the interface to a serial-EEPROM. When the EEPROM function is enabled, the internal control registers can be power-up loaded from external EEPROM. This allows customization of VID, PID, product string…etc. Features z USB Features USB video class 1.0 compliance. USB audio class 1.0 compliance. z Micro Controller Features Built-in 8 bit micro controller with mask ROM and SRAM. Firmware supports AE, AWB, and USB protocol. Programmable codes uploaded from serial EEPROM/Flash(SPI). z Audio Controller Features USB audio class 1.0 compliance. Built in 10 bit mono audio ADC for audio recording through microphone. Sampling rate @48kHZ, resolution 16 bits format z Miscellaneous Features USB Vendor ID, Product ID, device release number, maximum power consumption and the string descriptor index and data selectable via a serial EEPROM or by metal mask. Support MJPG and YUV. USB 5V power in, on-chip 3.3V regulator for IO PAD and PHY. 36-pin CSP Key Specification Supply Voltage 5.0V Resolution 640 (H) x 480 (V) Optical format 1/6“ Pixel Size 3.6um x 3.6um Frame Rate Up to 30fps System Clock 12MHz Color Filter RGB Bayer Pattern Scan mode Progressive Package 36-pin CSP All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 1 V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 1. Pin Assignment 1.1 36P CSP Package Pin# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Name LED Reg_SDA Reg_SCL GPIO[2] GPIO[4] VSSD VDDMD5V VDD18K VDDMD OSC_OUT OSC_IN PXOP DP DN KEY GPIO[1] GPIO[3] VDDAY VSSAY VDDAD VDDMA VDDMA5V VDD36A_A VDD28A MIC_P MIC_N VCOM VSSA_ADUIO EPR_SI EPR_CSB EPR_SCK EPR_SO VSSD VDD18K TESTMD GPIO[0] Type OUT I/O IN I/O I/O GND PWR BYPASS BYPASS GND IN OUT I/O I/O IN I/O I/O BYPASS GND BYPASS BYPASS PWR BYPASS BYPASS IN IN BYPASS GND OUT OUT OUT IN GND BYPASS IN I/O Description LED driver I2C data for test I2C clock for test General purpose I/O General purpose I/O Ground for digital 5V power for digit circuit Logic power for digit circuit, 1.8V Logic power for digit circuit, 3.3V Crystal output Crystal input Not connect DP for USB1.1 PHY DN for USB1.1 PHY Snapshot control signal (Active Low, internal pull-up 100Kohm) General purpose I/O General purpose I/O Logic power for sensor Analog ground Logic power for analog circuit, 2.5V Logic power for analog circuit, 2.5V 5V power for analog circuit Analog MIC reference audio power 3.6V Analog MIC reference audio power 2.8V Microphone positive input Microphone negative input Microphone common mode voltage reference(audio power) Audio analog circuit GND Data input of EEPROM Chip Select of EEPROM Serial clock of EEPROM Data out of EEPROM Ground for digital Logic power for digit circuit, 1.8V Test pin. General purpose I/O All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 2 V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 2. Block Diagram PAC7332 is a USB PC Camera SOC with enhanced image quality and sensitivity, internal regulators, JPEG image compression, image processing schemed, control registers, on-chip SRAM for image data buffer and USB controller. And the JPEG compressed image data is transmitted by USB 1.1 isochronous pipe. PAC7332 supports the interface to a serial-EEPROM. When the EEPROM function is enabled, the internal control registers can be power-up loaded from external EEPROM. This allows customization of VID, PID, product string…etc. All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 3 V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 3. Specifications Absolute Maximum Ratings Exceeding the Absolute Maximum Ratings shown below invalidates all AC and DC electrical specifications and may result in permanent device damage. Symbol Parameter Min Max Unit TSTG Ambient storage temperature -25 125 °C VDD DC supply voltage -0.5 5.5 V VIN DC input voltage 0.5 3.8 V VOUT DC output voltage -0.5 3.8 V ESD ESD Rating, Human Body model 2 kV Notes Recommend Operating Condition Symbol Min Typ. Max Unit Temperature Operation Range Stable Image -10 - 70 °C 0 - 50 °C VDD Power supply voltage 4.5 5.0 5.5 V FCLK System clock frequency - 12.0 - MHz TA Parameter Notes DC Electrical Characteristics (Typical values at 25°C, VDD =5.0V, FCLK=12.0MHz) Symbol Parameter Min. Typ. Max. Unit - 40 - mA Notes Type: PWR IDD IPWDN Operating Current Power Down current @30 frame/sec 500u Type: IN & I/O, Reset VIH Input voltage HIGH VIL Input voltage LOW 0.7VDDMD - V - 0.3VDDMD V Type: OUT & I/O VOH Output voltage HIGH 0.9VDDMD - - V VOL Output voltage LOW - - 0.1VDDMD V All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 4 V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 4. Package Information 4.1 CSP Pin Assignment and Optical Center Information All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 5 V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 4.1 CSP Package Ball Matrix Table All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 6 V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 5. Reference Application Circuit CON1 R1 C1 MINI USB 5P 10M USB_5V 4.7nF/250V 4.7u + C2 8 9 HC3 HC4 0.1u HC2 HC1 7 6 GND2 NC + +5V C3 USB_SHADING 5 4 3 2 1 USB_SHADING USB_5V L1 3.3uH L2 3.3uH VDDMD5V C6 C5 10pF USB_5V VDDMD D+ D- C4 VDDMA5V 10pF R2 1M Y 1 12MHz 4.7u + 1u 1u 1u D1 C7 C8 C9 LED-0603 R3 R4 WP C5 A5 B5 REG_SDA LED A4 GPIO_2 REG_SCL VSSD D4 B4 VDDMD5V B3 VSSD VDDMD5V GPIO_4 VDDMD VDD18K OSC_OUT A3 VDD18K VDDMD GPIO_2 GPIO_0 R7 100k B6 C4 VDD18K C10 1u D5 VSSAY R8 100k 100k C17 C13 C18 C14 C19 C15 + + + EPR_SO 100k 0.1u 10u 0.1u 10u 0.1u 10u EPR_SO F6 EPR_SO EPR_CSB EPR_SCK G6 E5 EPR_SCK EPR_CSB EPR_SI G5 G3 VDDAD VSA_AUDIO VDDAD EPR_HOLD R9 R10 A6 VSSA VSA_AUDIO F5 G1 VDD28A VDDAY F1 VDDAD EPR_SI E3 VSSAY VSSD VCOM VSSA VDD18K VDDAY G4 0.1u PAC7332 GPIO_3 VDDMA C12 TESTMD VCOM E2 GPIO_1 MIC_N VDDAY + 4.7u GPIO_0 KEY MIC_P D2 C11 DN F4 D3 1k DP E4 C2 VDD28A B1 KEY VDD36A_A U2 B2 F3 DN VDD36A_A DP 0 VDDMA5V 0 R6 G2 R5 F2 0H VDDMA 0H L4 D- VDDMA5V L3 D+ C3 OSC_IN A2 OSC_IN OSC_OUT U1 A1 100k VDDMD C16 C20 + 10u 0.1u C21 C22 C23 0.1u 0.1u 0.1u R11 10k R12 10k VCOM C24 U3 CS VCC SO HOLD WP SCK GND SI 8 7 6 5 VDDMD EPR_HOLD EPR_SCK EPR_SI VDD28A R13 1k 25F512A C25 R14 1k 0.1u R15 1 1 2 3 4 1 EPR_CSB EPR_SO WP MIC+1 MIC-1 1k + 22u All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 7 V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio Update History Version V1.0 Update Creation, Preliminary 1st version Date 07/16/2009 All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected] 8 V1.0 Jul. 2009